condition mean min max 12pM Fe 24.026850000000003 22.415300000000002 25.6384 58pM Fe 22.20527142857143 19.7822 24.628342857142858 233pM Fe 12.3997 12.3997 12.3997 1160pM Fe 12.51676505952381 8.066615833333334 16.966914285714285 Dark 12.294096666666668 10.589993333333334 13.9982 Light 11.648607692307692 11.648607692307692 11.648607692307692 Phloroglucinol 16.956599999999998 16.956599999999998 16.956599999999998